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1688-28 Datasheet(PDF) 3 Page - Emcore Corporation |
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1688-28 Datasheet(HTML) 3 Page - Emcore Corporation |
3 / 5 page DATASHEET | FEBRUARY 2012 FIBER OPTICS | REV 2012.02 Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice. RF Characteristic Laser Temperature (TL) = 25 oC, I F = IOP, Beginning of Life (BOL) Parameter Symbol Condition Min Typ Max Unit Frequency Range F - 5 - 1002 MHz Frequency Response S21 IF = 60 mA, 5 MHz-1002 MHz - ±0.5 - dB Carrier-to-Noise Ratio CNR OMI = 3.7%, 79 ch., NTSC 50 51 - dB Composite Second Order CSO OMI = 3.7%, 79 ch., NTSC 57 - - dB Composite Triple Beat CTB OMI = 3.7%, 79 ch., NTSC 65 - - dB Relative Intensity Noise RIN - -150 -155 - dB/Hz In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at least 55 dB for discrete reflections and 30 dB for distributed reflections. Fiber Characteristics SC/APC Connector: Standard Fiber Length: > 1.0 meter (1.5 meter typical), with respect to end of package wall. Fiber Type: Single Mode Fiber, SMF-28 or compatible, 900 micron buffer, up to one splice allowed for optical Power models <16mW. The lossy splice location is defined as below. Electrical Schematics Figure 1. 1688 Laser Schematic Figure 2. 1688 Circuit Schematic 1688 1310 nm DFB Laser Module |
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